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CVSS: 8.8EPSS: 0%CPEs: 86EXPL: 0

CVE-2021-27251 – NETGEAR Nighthawk R7800 ready-genie-cloud Insecure Download of Critical Component Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2021-27251

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12308. • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders https://www.zerodayinitiative.com/advisories/ZDI-21-247 • CWE-319: Cleartext Transmission of Sensitive Information •

CVSS: 8.8EPSS: 0%CPEs: 86EXPL: 0

CVE-2021-27253 – NETGEAR Nighthawk R7800 Heap-based Buffer Overflow Remote Code Execution Vulnerability

https://notcve.org/view.php?id=CVE-2021-27253

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the rc_service parameter provided to apply_bind.cgi. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. • https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders https://www.zerodayinitiative.com/advisories/ZDI-21-249 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 9.8EPSS: 0%CPEs: 94EXPL: 0

CVE-2020-35799

https://notcve.org/view.php?id=CVE-2020-35799

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6200 before 1.1.00.32, D7000 before 1.0.1.68, D7800 before 1.0.1.56, DM200 before 1.0.0.61, EX2700 before 1.0.1.52, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.74, EX6400 before 1.0.2.140, EX7300 before 1.0.2.140, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7500v2 before 1.0.3.40, R7800 before 1.0.2.62, R8900 before 1.0.4.12, R9000 before 1.0.4.12, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, WN2000RPTv3 before 1.0.1.34, WN3000RPv2 before 1.0.0.78, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.78, WN3100RPv2 before 1.0.0.66, WNR2000v5 before 1.0.0.70, WNR2020 before 1.1.0.62, XR450 before 2.3.2.32, and XR500 before 2.3.2.32. Determinados dispositivos NETGEAR están afectados por un desbordamiento del búfer en la región stack de la memoria por parte de un atacante no autenticado. Esto afecta a D3600 versiones anteriores a 1.0.0.76, D6000 versiones anteriores a 1.0.0.78, D6200 versiones anteriores a 1.1.00.32, D7000 versiones anteriores a 1.0.1.68, D7800 versiones anteriores a 1.0.1.56, DM200 versiones anteriores a 1.0.0.61, EX2700 versiones anteriores a 1.0.1.52, EX6100v2 versiones anteriores a 1.0.1.76, EX6150v2 versiones anteriores a 1.0.1.76, EX6200v2 versiones anteriores a 1.0.1.74, EX6400 versiones anteriores a 1.0.2.140, EX7300 versiones anteriores a 1.0.2.140, EX8000 versiones anteriores a 1.0.1.186, JR6150 versiones anteriores a 1.0.1.18, PR2000 versiones anteriores a 1.0.0.28, R6020 versiones anteriores a 1.0.0.38, R6050 versiones anteriores a 1.0.1.18, R6080 versiones anteriores a 1.0.0.38, R6120 versiones anteriores a 1.0.0.46, R6220 versiones anteriores a 1.1.0.80, R6230 versiones anteriores a 1.1.0.80, R6260 versiones anteriores a 1.1.0.40, R6700v2 versiones anteriores a 1.2.0.36, R6800 versiones anteriores a 1.2.0.36, R6900v2 versiones anteriores a 1.2. 0.36, R7500v2 versiones anteriores a 1.0.3.40, R7800 versiones anteriores a 1.0.2.62, R8900 versiones anteriores a 1.0.4.12, R9000 versiones anteriores a 1.0.4.12, RBK20 versiones anteriores a 2.3.0.28, RBR20 versiones anteriores a 2.3.0.28, RBS20 versiones anteriores a 2.3.0.28, RBK40 versiones anteriores a 2.3.0.28, RBR40 versiones anteriores a 2.3.0.28, RBS40 versiones anteriores a 2.3.0.28, RBK50 versiones anteriores a 2.3.0.32, RBR50 versiones anteriores a 2.3.0.32, RBS50 versiones anteriores a 2.3.0.32, WN2000RPTv3 versiones anteriores a 1.0.1.34, WN3000RPv2 versiones anteriores a 1.0.0.78, WN3000RPv2 versiones anteriores a 1.0.0.78, WN3000RPv3 versiones anteriores a 1.0.2.78, WN3100RPv2 versiones anteriores a 1.0.0.66, WNR2000v5 versiones anteriores a 1.0.0.70, WNR2020 versiones anteriores a 1.1.0.62, XR450 versiones anteriores a 2.3.2.32, y XR500 versiones anteriores a 2.3.2.32. • https://kb.netgear.com/000062709/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Range-Extenders-and-WiFi-Systems-PSV-2018-0296 • CWE-787: Out-of-bounds Write •

CVSS: 6.1EPSS: 0%CPEs: 34EXPL: 0

CVE-2020-35805

https://notcve.org/view.php?id=CVE-2020-35805

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7500v2 before 1.0.3.46, R7800 before 1.0.2.74, R8900 before 1.0.4.28, R9000 before 1.0.4.28, RAX120 before 1.0.0.78, RBK20 before 2.3.5.26, RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK40 before 2.3.5.30, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, XR500 before 2.3.2.56, and XR700 before 1.0.1.10. Determinados dispositivos NETGEAR están afectados por una vulnerabilidad de tipo XSS almacenado. Esto afecta a D7800 versiones anteriores a 1.0.1.56, R7500v2 versiones anteriores a 1.0.3.46, R7800 versiones anteriores a 1.0.2.74, R8900 versiones anteriores a 1.0.4.28, R9000 versiones anteriores a 1.0.4.28, RAX120 versiones anteriores a 1.0.0.78, RBK20 versiones anteriores a 2.3.5.26, RBR20 versiones anteriores a 2.3.5.26, RBS20 versiones anteriores a 2.3.5.26, RBK40 versiones anteriores a 2.3.5.30, RBR40 versiones anteriores a 2.3.5.30, RBS40 versiones anteriores a 2.3.5.30, RBK50 versiones anteriores a 2.3.5.30, RBR50 versiones anteriores a 2.3.5.30, RBS50 versiones anteriores a 2.3.5.30, XR500 versiones anteriores a 2.3.2.56 y XR700 versiones anteriores a 1.0.1.10. • https://kb.netgear.com/000062670/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-Orbi-WiFi-Systems-PSV-2018-0485 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 6.0EPSS: 0%CPEs: 28EXPL: 0

CVE-2020-35806

https://notcve.org/view.php?id=CVE-2020-35806

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7500v2 before 1.0.3.46, R7800 before 1.0.2.68, RAX120 before 1.0.0.78, RBK22 before 2.3.5.26, RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK40 before 2.3.5.30, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, and WN3000RPv2 before 1.0.0.78. Determinados dispositivos NETGEAR están afectados por una vulnerabilidad de tipo XSS almacenado. Esto afecta a D7800 versiones anteriores a 1.0.1.56, R7500v2 versiones anteriores a 1.0.3.46, R7800 versiones anteriores a 1.0.2.68, RAX120 versiones anteriores a 1.0.0.78, RBK22 versiones anteriores a 2.3.5.26, RBR20 versiones anteriores a 2.3.5.26, RBS20 versiones anteriores a 2.3.5.26, RBK40 versiones anteriores a 2.3.5.30, RBR40 versiones anteriores a 2.3.5.30, RBS40 versiones anteriores a 2.3.5.30, RBK50 versiones anteriores a 2.3.5.30, RBR50 versiones anteriores a 2.3.5.30, RBS50 versiones anteriores a 2.3.5.30 y WN3000RPv2 versiones anteriores a 1.0.0.78. • https://kb.netgear.com/000062729/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-Orbi-WiFi-Systems-PSV-2018-0539 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •